Des：Going to the same university, in the same circle, Yuna & Masashi couple, Ai & teru dai couple usually have good couple dates often, they are all familiar with each other. With the anniversary coming up, four people arrived. Even though he knew it was bad, Yunato Teruidai was on a two-day trip and her boyfriend and girlfriend were on a two-day trip. I love my boyfriend, but my best friend has the best sex...